Role of Acetic Acid Added to the Reaction Media for the Enantio-differentiating Hydrogenation of Methyl Acetoacetate Over a Tartaric Acid-modified Nickel Catalyst

By Osawa Tsutomu   Ando Masashi   Sakai Saori   Harada Tadao   Takayasu Osamu  

Catalysis Letters, Vol. 105, Iss. 1-2, 2005-11 ,pp. : 41-45

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Studies of the effect of pivalic acid on the hydrogenation rate and the enantio-differentiating ability for the hydrogenation of 2-octanone over a tartaric acid-NaBr-modified nickel catalyst

By Osawa Tsutomu   Nakagawa Yuki   Harada Tadao   Takayasu Osamu  

Catalysis Letters, Vol. 112, Iss. 3-4, 2006-12 ,pp. : 163-166

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Studies of the effects of the modification conditions on the hydrogenation rate for the enantio-differentiating hydrogenation of methyl acetoacetate over a tartaric acid–NaBr-modified nickel catalyst

By Osawa Tsutomu   Hagino Yu   Harada Tadao   Takayasu Osamu  

Catalysis Letters, Vol. 112, Iss. 1-2, 2006-11 ,pp. : 57-61

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Enantio-differentiating hydrogenation of methyl acetoacetate over modified Raney nickel catalysts prepared by two-step modifications

By Osawa Tsutomu   Yoshino Kenji   Takimoto Kosuke   Takayasu Osamu   Harada Tadao  

Catalysis Letters, Vol. 112, Iss. 3-4, 2006-12 ,pp. : 167-171

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The Durability of the Enantio-Differentiating Ability of a Tartaric Acid–NaBr-Modified Reduced Nickel Catalyst Pre-Modified in Tetrahydrofuran

By Osawa Tsutomu   Maegawa Miho   Yoshihisa Masako   Kobayashi Mika   Harada Tadao   Takayasu Osamu  

Catalysis Letters, Vol. 107, Iss. 1-2, 2006-02 ,pp. : 83-88

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